Cordes Burkhard Otto - 18 May 2026 Form 4 Insider Report for Cosan S.A. (CSAN)

Reporting relationship: Director
Issuer ticker: CSAN
Reported as of: 18 May 2026
Net transaction value: +$696,030
SEC form: 4
Accepted by SEC: 15 Sep 2026, 16:41:17 UTC
Prior SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Cordes Burkhard Otto

Key filing fact

Cordes Burkhard Otto filed Form 4 for Cosan S.A. (CSAN) on 15 Sep 2026.

Key facts

This page summarizes Cordes Burkhard Otto's Form 4 filing for Cosan S.A. (CSAN).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 15 Sep 2026, 16:41.

Change

Previous filing in this sequence was filed on 02 Apr 2026.
Current net transaction value: +$696,030.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001974588 Primary reporting owner

Cordes Burkhard Otto

Relationship: Director
Address: AV. BRIGADEIRO FARIA LIMA, 4100, 16TH FLOOR, SAO PAULO, BRAZIL
Signature: /s/ Cordes Burkhard Otto
Signature date: 15 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CSAN transaction

COMMON STOCK (BVMF: CSAN3)

Purchase

Transaction value: $397,830
Shares: +89,000
Change %: +6.6%
Price: $4.47
Shares after: 1,439,000
Date: 18 May 2026
Ownership: DGF UBER ALLES FIM CP IE
Footnotes: F1

CSAN transaction

COMMON STOCK (BVMF: CSAN3)

Purchase

Transaction value: $42,700
Shares: +10,000
Change %: +0.69%
Price: $4.27
Shares after: 1,449,000
Date: 26 May 2026
Ownership: DGF UBER ALLES FIM CP IE
Footnotes: F1

CSAN transaction

COMMON STOCK (BVMF: CSAN3)

Purchase

Transaction value: $213,000
Shares: +50,000
Change %: +3.5%
Price: $4.26
Shares after: 1,499,000
Date: 26 May 2026
Ownership: DGF UBER ALLES FIM CP IE
Footnotes: F1

CSAN transaction

COMMON STOCK (BVMF: CSAN3)

Purchase

Transaction value: $42,500
Shares: +10,000
Change %: +0.67%
Price: $4.25
Shares after: 1,509,000
Date: 26 May 2026
Ownership: DGF UBER ALLES FIM CP IE
Footnotes: F1

CSAN holding

COMMON STOCK (BVMF: CSAN3)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 42,332
Date: 18 May 2026
Ownership: Direct

CSAN holding

ADS CSAN

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 857,610
Date: 18 May 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Amounts stated in Brazilian reais.

Footnote F2

Each American Depositary Share represents four shares of Common Stock.

SEC remarks

This Form 4 was initially filed on June 9, 2026. Due to an administrative error it was filed under the CIK of Cosan Ltd. It is being refiled under the correct CIK.